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- 1. Multiple Choice
Why does the troposphere experience (have) the greatest amount of atmospheric pressure compared to the other atmospheric layers?
It produces the ozone layer.
It has the highest temperatures.
It contains a high concentration of gas particles.
It is the region in which weather occurs.
- 2. Multiple Choice
Which of these statements BEST describes (explains) temperature as elevation in the atmosphere increases?
Temperature remains constant with elevation in the thermosphere.
Temperature remains constant with elevation in the mesosphere.
Temperature generally decreases with elevation in the stratosphere.
Temperature generally decreases with elevation in the troposphere.
- 3. Multiple Choice
The BEST description of the troposphere is the layer of the atmosphere with the
most ozone.
greatest density.
highest altitude.
coldest temperature.
- 4. Multiple Choice
Which graph BEST illustrates (shows) the change in density in the lowest layer of Earth’s atmosphere as altitude increases?
- 5. Multiple Choice
In which layer of Earth’s atmosphere does weather occur?
mesosphere
stratosphere
thermosphere
troposphere
- 6. Multiple Choice
An atmospheric layer of a specific (exact) gas provides (gives) shielding (protection) from harmful ultraviolet light from the Sun, allowing life to thrive (live) on Earth. What gas makes up this layer?
H2O
CO2
N2
O3
- 7. Multiple Choice
Atmospheric greenhouse gases help heat the atmosphere by
increasing the amount of solar radiation reaching Earth.
storing energy produced by human activity.
absorbing infrared radiation released by Earth.
increasing the average density of air.
- 8. Multiple Choice
Which of these gases, on average, has the lowest volume in the atmosphere of Earth?
oxygen
nitrogen
water vapor
carbon dioxide
- 9. Multiple Choice
On Mount Everest the temperature decreases as the altitude increases. The summit (highest point) of this mountain is in which atmospheric layer?
mesosphere
stratosphere
thermosphere
troposphere
- 10. Multiple Choice
The table indicates (shows) the percentages (amount) of some gases in the atmosphere of Mars. Which gas in the atmosphere of Mars is the primary (main) gas found in the atmosphere of Earth?
carbon dioxide
nitrogen
argon
methane
- 11. Multiple Choice
Which trait (characteristic) is common in gases that contribute (give) to Earth’s greenhouse effect?
the ability to trap heat
a tendency to lose electrons
a tendency to exist as diatomic molecules
the ability to bond with multiple other elements
- 12. Multiple Choice
The temperature of the stratosphere increases (goes up) with altitude because of the presence of
nitrogen
water vapor
ozone
carbon monoxide
- 13. Multiple Choice
A weather balloon is about 2 meters wide when it is near the ground. It grows to about 6 meters wide at higher altitudes. Which change MOST likely makes the balloon become wider at higher altitudes?
More gases enter the balloon.
The gas inside the balloon gets much hotter.
The air pressure surrounding the balloon decreases.
Sunlight breaks down the material of the balloon.
- 14. Multiple Choice
Some jet airplanes fly in a layer of the atmosphere where temperature generally (mostly) increases with altitude. What is this layer of the atmosphere?
mesosphere
stratosphere
thermosphere
troposphere
- 15. Multiple Choice
Which graph BEST illustrates (shows) the relationship of altitude and temperature in the lowest layer of the atmosphere of Earth?
- 16. Multiple Choice
Which BEST explains why air temperatures near mountaintops are often much colder than air temperatures near sea level?
Large amounts of snowfall decrease the temperature.
Air near mountaintops is less dense.
Strong winds near mountaintops decrease temperatures.
The lack of vegetation at sea level allows the ground to absorb more heat.
- 17. Multiple Choice
When a plane flies, it travels through air that contains (has) gases, liquids, and solids. This area is BEST described as the
atmosphere
lithosphere
biosphere
hydrosphere
- 18. Multiple Choice
The diagram below shows a student’s model of the water cycle. In which layer of the atmosphere does the process shown occur (take place)?
mesosphere
stratosphere
troposphere
thermosphere
- 19. Multiple Choice
In which layer of the atmosphere does MOST of Earth’s weather occur (take place)?
the exosphere, which is the outermost layer
the troposphere, which is the lowest layer
the thermosphere, which has the highest temperature
the stratosphere, which contains a sub-layer of ozone
- 20. Multiple Choice
How is the stratosphere different from the troposphere?
The clouds in the stratosphere produce more rain.
The air in the stratosphere has a greater density.
The composition of the stratosphere lacks ozone.
The temperature of the stratosphere warms at higher altitude.
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